Muros de hormigon armado.pdf
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Transcript of Muros de hormigon armado.pdf
8/19/2019 Muros de hormigon armado.pdf
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1 DIMENSIONES MURO
Datos Geometria
B1 = m
B2 = mB3 = mB4 = mH1 = mH2 = mH3 = m
a = mt = m
B = mH = m
hpantalla = m
2 COMBINACIONES DE CARGA
D = Carga MuertaL = Carga VivaE = Empuje de suelos
Grupos de carga para diseño a rotura Grupos de carga para diseño a SERVICIO (Estabilidad)
Grupo I: 1.3(D+5/3L+1.3E) Grupo I: (D+5/3L+E)Grupo II: 1.3(D+1.3E+W) Grupo II: (D+E+W)Grupo III: 1.3(D+L+1.3E+0.3W+WL+SF+F) Grupo I: (D+L+1.3E+0.3W+WL+F)W=WL=SF=F=0
7.002.101.00
5.508.00
7.00
2.20
1.202.10
0.40
0.60
0.40
A BB1 B2 B3
B
B4
H 3
H
2
H 1
t
EaEav
Eah
Y E a
Y E p
Ep
1
4 2 5 810
9 6
3 7
a
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3 DATOS DE SUELO Y HORMIGON
Angulo de friccion interna de la tierra: f = q = COS (90-q+d) =Angulo de friccion del muro: d = b = SEN (90-q+d) =Coeficiente de empuje activo : ka = TANG (d) =Coeficiente de empuje pasivo : kp =
Peso especìfico aparente del terreno : g Kg/m3Sobre carga vertical : q Kg/m2Peso especìfico aparente del hormigón : gc Kg/m3Peso especìfico del agua : gH2O Kg/m3Esfuerzo admisible del terreno a la compresión: sadm = kg/cm2
Cargas y Fuerzas
carga muertaa) Infraestructura
Peso vertical kgMomento estabilizador Mr kg-m
Ea = kgEah = kgEav = kg
brazo = mMv = kg-m
FS volteo construccion =
Cuerpo 7.000 4043.280 14151.480 2.333 33020.1203/4 Cuerpo 5.250 3106.785 8155.311 1.750 14271.7941/2 Cuerpo 3.500 2170.290 3798.008 1.167 4431.0091/4 Cuerpo 1.750 1233.795 1079.571 0.583 629.750
48836.48
4.03
Profundidad Presion Empuje Brazo Momento
56544.00196871.80
18313.683180.1418035.45
2.66667
16 0.0 0.000 0.00
S 56544.0 196871.80
14 0.0 0.000 0.0015 0.0 0.000 0.00
12 0.0 0.000 0.00
13 0.0 0.000 0.00
11 0.0 0.000 0.00
10 792.0 0.733 580.80
9 3960.0 1.100 4356.00
8 756.0 4.800 3628.80
7 26460.0 4.450 117747.00
6 6720.0 2.733 18368.00
5 1008.0 4.100 4132.80
4 1056.0 1.467 1548.80
3 6720.0 3.200 21504.00
2 1152.0 2.800 3225.60
1 7920.0 2.750 21780.00
MA
[kg-m]
2400.00
1000.00
2.00
SeccionFuerza
[kg]
XA
[m]
0.2973 0.36406.1054
1800.001000.00
30 º 30 º 0.173620 º 0 º 0.9848
A
1
4 2 5 810
9 6
3 7
B
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Diseño de Armaduras
1/4 Cuerpo 1/2 Cuerpo 3/4 Cuerpob = cm b = cm b = cmh = cm h = cm h = cm
rec = cm rec = cm rec = cmd = cm d = cm d = cmfc = kg/cm2 fc = kg/cm2 fc = kg/cm2fy = kg/cm2 fy = kg/cm2 fy = kg/cm2
Mu = kg-cm Mu = kg-cm Mu = kg-cm
w= w= w=As = cm2 As = cm2 As = cm2f = mm f = mm f = mm# = # = # =s = cm s = cm s = cm
Ad = cm2 Ad = cm2 Ad = cm2f = mm f = mm f = mm# = # = # =s = cm s = cm s = cm
0.4376 2.2649 2.2593228.5 44.2 44.3
0.3437 1.7788 4.542710.00 10.00 16.00
219.4 42.4 46.10.4558 2.3592 2.169012.00 12.00 20.00
0.5155 2.6682 6.8140
107057.42 753271.49 2426204.9
0.00187 0.00712 0.01435
210.00 210.00 210.004200.00 4200.00 4200.00
55.00 75.00 95.005.00 5.00 5.00
60.00 80.00 100.00100.00 100.00 100.00
5.05
Tercio Central Cumple Cumple Cumple Cumple Cumple Cumple
F.S Vuelco 4.25 5.55 3.93 5.23 3.74
2.09F.S Desliz 1.74 1.89 1.63 1.78 1.50 1.65sigma B 1.14 2.22 0.76 1.63 0.96sigma A 0.87 -0.04 0.74 0.01 0.85 -0.11
-3.76e -0.12 -0.95 -0.01 -0.90 -0.06 -1.01x -2.87 -3.70 -2.76 -3.65 -2.81
-3812.390M -158673.52 -222222.160 -114478.816 -165317.728 -139364.253 -205454.838H 18313.68 -3665.760 14650.944 -2932.608 19046.227
Grupo 3bV 55292.00 60044.000 41433.600 45235.200 49645.440 54587.520
Grupo 1a Grupo 1b Grupo 2a Grupo 2b Grupo 3a
M -70559.20 -9345.00 -58611.84 -4936.80 48836.48 -121375.80bh -2.67 2.67
4.46H 21979.44 18313.68bv 2.87 4.45 1.04
EvaV 24576.00 2100.00 4752.00 27216.00CARGAS D L Ep Evp Ea
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DISEÑO DE LA ZAPATACuerpo Adelante Atrás
b = cm b = cm b = cmh = cm h = cm h = cm
rec = cm rec = cm rec = cmd = cm d = cm d = cm
fc = kg/cm2 fc = kg/cm2 fc = kg/cm2fy = kg/cm2 fy = kg/cm2 fy = kg/cm2Mu = kg-cm Mu = kg-cm Mu = kg-cm
w= w= w=As = cm2 As = cm2 As = cm2f = mm f = mm f = mm# = # = # =s = cm s = cm s = cm
Ad = cm2 Ad = cm2 Ad = cm2f = mm f = mm f = mm# = # = # =s = cm s = cm s = cm
4.3400 4.2523 4.300523.0 23.5 23.3
8.7261 8.5498 4.863816.00 16.00 12.00
24.0 24.5 27.6
20.00 20.00 16.00
4.1664 4.0823 3.6286
13.0891 12.8248 7.2957
5613420.4 4532013.5 2596140.20.02276 0.02700 0.01536
4200.00 4200.00 4200.00
115.00 95.00 95.00
210.00 210.00 210.00
5.00 5.00 5.00
100.00 100.00 100.00
120.00 100.00 100